Danny no longer had much choice now. His mother will never believe him without some proper evidence. He didn't like it, but there was no greater evidence than demonstrating the app on her. Danny quickly selected Lacey, scrolled back to Neanderthal, and hit the devolution button.
Danny's Mom stopped in her tracks when the changes hit her. She suddenly felt her bra and panties disappear. She looked down to see she was now wearing nothing but a animal pelt tunic. "What the hell?", Lacey said to herself, not noticing that she was slowly shrinking. The tunic she was wearing suddenly shrank into a loincloth, exposing her breasts in the process! Lacey blushed in embarrassment as she yelped and covered her breasts! However, the feeling quickly faded. Her fear and confusion were being quickly replaced with curiosity and an odd natural feeling. Lacey's slowly stopped covering her breasts and started scratching the new hairs growing on her body. Her pubic and underarm hair had gotten thinker, as her loincloth morphed into a pelt draped along her shoulder. As she was left completely naked, Lacey felt her skull begin to reshaped itself. She scratched her death as it slowly grew, along with her brow elongated a bit. The lobes of her brain rearranged themselves, leaving her less intelligent but with a better understanding of her environment. Finally, Lacey's poster worsened as she was left standing only five feet tall. Her trip backwards in evolution was over, Danny's mom had finally witnessed what he was talking about.
Suddenly, Lacey noticed an enticing sent radiating from behind her. She looked up the stairs to notice that Danny had been watching her de-evolve the entire time. The entire ordeal was very awkward for Danny. He barely even recognized his own mother anymore and was even turned on a bit by her, as evidenced to Lacey by the erection he was beginning to sport.
An awkward silence filled the air when....